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Related Concept Videos

Communication01:03

Communication

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Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
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Communication01:28

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Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
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Neuronal Communication01:28

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Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
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Therapeutic Communication01:30

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Communication is a lifelong learning process. Through therapeutic communication, nurses can collect relevant assessment data, provide education and counseling, and interact during nursing interventions. Sending and receiving messages occur through verbal and nonverbal communication techniques and can happen separately or simultaneously.
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Barriers to Effective Communication II01:21

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The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
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Semantic barriers:
As a result of their tendency to use...
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Channels of Non-Verbal Communication01:28

Channels of Non-Verbal Communication

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Non-verbal communication plays a critical role in human interaction, influencing how individuals perceive emotions and psychological states. It operates through four primary channels: facial expressions, eye contact, body language, and touch. These non-verbal cues help convey meaning beyond spoken language and are often culturally influenced.Facial Expressions and Emotional RecognitionFacial expressions are among the most powerful and universal forms of non-verbal communication. Research has...
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Enabling user mobility for optical camera communication using mobile phone.

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    This study introduces optical camera communication (OCC) for mobile users, developing a dynamic algorithm to maintain high performance despite movement. The system achieved 4.08 kbps throughput even at low light conditions.

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    Area of Science:

    • Optical Wireless Communication
    • Mobile Computing
    • Signal Processing

    Background:

    • Optical Camera Communication (OCC) systems traditionally require stationary users.
    • User mobility introduces challenges like signal degradation and blooming effects.
    • Existing OCC systems lack robust solutions for dynamic environments.

    Purpose of the Study:

    • To demonstrate and evaluate an Optical Camera Communication (OCC) system that supports user mobility.
    • To propose a dynamic column matrix selection algorithm to mitigate performance issues caused by movement.
    • To investigate the impact of varying speeds and distances on system performance.

    Main Methods:

    • Development of a mobile test platform to simulate user movement.
    • Implementation of a dynamic column matrix selection algorithm to optimize signal reception.
    • Experimental testing with a mobile phone on a track at various speeds (20-100 cm/s) and lateral distances (50-70 cm).

    Main Results:

    • System performance degrades with increased lateral distance and user moving speed.
    • The proposed dynamic algorithm effectively manages extinction ratio (ER) and avoids blooming.
    • A throughput of 4.08 kbps was achieved under low illuminance (275 lx).

    Conclusions:

    • The developed OCC system successfully supports user mobility.
    • The dynamic column matrix selection algorithm enhances system robustness in mobile scenarios.
    • The system demonstrates feasibility for practical mobile OCC applications.